Epson PowerLite 780E vs Panasonic PT-LB426

Epson PowerLite 780E is sharper and quieter. Panasonic PT-LB426 is lighter.

	Epson PowerLite 780E	Panasonic PT-LB426

Key differences
White light outputISO
White light outputISO	4,200 lm ISO	4,100 lm ISO (Normal power, Dynamic mode) · 4,100 lm ANSI
Native resolution
Native resolution	1080p (1920 × 1080)	1024 × 768
Throw ratio
Throw ratio	0.25–0.35:1	1.48–1.78:1
Light source
Light source	Laser (phosphor)	Lamp
Fan noise
Fan noise	Normal 30 dB(A) · Eco 27 dB(A)	Normal 38 dB(A) · Eco 35 dB(A)
Room fit80″100″120″150″
Distance to screen
Distance to screen	0.55–0.77 m	3.0–3.6 m
Picture
White light outputISO
White light outputISO	4,200 lm ISO	4,100 lm ISO (Normal power, Dynamic mode) · 4,100 lm ANSI
Colour light output
Colour light output	4,200 lm	—
Brightness uniformity
Brightness uniformity	—	85%
Imaging technology
Imaging technology	3LCD	3LCD
Chip / panel diagonal
Chip / panel diagonal	—	0.63 in
Native resolution
Native resolution	1080p (1920 × 1080)	1024 × 768
Native aspect
Native aspect	16:9Derived	4:3Derived
Pixel shift
Pixel shift	Yes (scheme not stated)	—
Dynamic contrast
Dynamic contrast	Up to 5,000,000:1	20,000:1
Colour bit depth (per channel)
Colour bit depth (per channel)	—	8 bit
Light source
Light source
Light source	Laser (phosphor)	Lamp
Lamp power
Lamp power	—	230 W
Replacement lamp
Replacement lamp	—	ET-LAL510
Light-source life
Light-source life	20,000 h normal · 30,000 h eco	10,000 h normal · 20,000 h eco
Life defined as
Life defined as	50% brightness	50% brightness
Optics
Throw ratio
Throw ratio	0.25–0.35:1	1.48–1.78:1
Image size
Image size	60–180 in	30–300 in
Zoom
Zoom	Digital	Optical
Zoom ratio
Zoom ratio	—	1.2×Derived
Focal length
Focal length	3.7 mm	19.16–23.02 mm
Aperture (f-number)
Aperture (f-number)	1.6	1.6–1.76
Focus
Focus	Manual	Manual
Vertical keystone
Vertical keystone	3°	35°
Horizontal keystone
Horizontal keystone	3°	35°
Auto keystone
Auto keystone	—	Yes
Corner correction
Corner correction	—	4-corner
Grid warp
Grid warp	—	Yes
Interchangeable lens
Interchangeable lens	—	No
Inputs & control
HDMI inputs
HDMI inputs	3 × HDMI (HDCP 2.3)	2 × HDMI (HDCP 1.4)
Other video inputs
Other video inputs	—	VGA, Composite
Audio inputs
Audio inputs	Microphone	3.5 mm, RCA
USB media playback
USB media playback	—	Yes
Control ports
Control ports	RS-232	RS-232
PJLink
PJLink	—	Class 2
Smart platform
Wi-Fi
Wi-Fi	Wi-Fi 6E	—
Ethernet
Ethernet	Yes	Yes
Casting
Casting	Miracast	—
Audio
Speaker power
Speaker power	16 W	10 W
Speakers
Speakers	1	—
Layout
Layout	Mono	Mono
Audio outputs
Audio outputs	3.5 mm	3.5 mm
HDMI audio return
HDMI audio return	NoneDerived	NoneDerived
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	376 × 396 × 173 mm	335 × 252 × 96 mm
Weight
Weight	7,031 g	2,900 g
Orientations
Orientations	Table, Ceiling	Table, Ceiling, Rear
Ceiling mount
Ceiling mount	—	M4, 10 mm deep, 1.25 N·m
Dust filter
Dust filter	—	Replaceable
Environment & power
Operating temperature
Operating temperature	0–40°C	5–40°C
Operating humidity
Operating humidity	—	20–80%RH
Altitude
Altitude	—	2,700 m
Power draw
Power draw	Normal 270 W · Eco 213 W	Max 300 W
Standby
Standby	0.5 W	0.5 W
Networked standby
Networked standby	2 W	—
Power supply
Power supply	—	Built in
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 30 dB(A) · Eco 27 dB(A)	Normal 38 dB(A) · Eco 35 dB(A)
Safety & support
Marks
Marks	—	FCC
Warranty
Warranty	🇺🇸 US 3 yr · 🇨🇦 CA 3 yr	—
User manual
User manual	—	https://bizpartner.panasonic.net/public/ppr/file_view/194378
Spare parts
Spare parts	Air filter V13H134A66	Lamp ET-LAL510 · Air filter ET-RFL300
In the box
In the box
In the box	Power cord, Remote, Remote batteries, Quick start guide, Warranty card	Power cord, Remote, Remote batteries